265789090 has 32 divisors (see below), whose sum is σ = 548674560. Its totient is φ = 90809664.

The previous prime is 265789049. The next prime is 265789099. The reversal of 265789090 is 90987562.

It is a self number, because there is not a number n which added to its sum of digits gives 265789090.

It is not an unprimeable number, because it can be changed into a prime (265789099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14031 + ... + 26989.

It is an arithmetic number, because the mean of its divisors is an integer number (17146080).

Almost surely, 2^265789090 is an apocalyptic number.

265789090 is an abundant number, since it is smaller than the sum of its proper divisors (282885470).

265789090 is a wasteful number, since it uses less digits than its factorization.

265789090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13266.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 265789090 is about 16303.0392872004. The cubic root of 265789090 is about 642.9527379768.

The spelling of 265789090 in words is "two hundred sixty-five million, seven hundred eighty-nine thousand, ninety".